I can diphthongise you can diphthongise she can diphthongise we can diphthongise you can diphthongise they can diphthongise
Forme en V-ing
I can be diphthongising you can be diphthongising she can be diphthongising we can be diphthongising you can be diphthongising they can be diphthongising
Perfect
I can have diphthongised you can have diphthongised she can have diphthongised we can have diphthongised you can have diphthongised they can have diphthongised
Perfect en V-ing
I can have been diphthongising you can have been diphthongising she can have been diphthongising we can have been diphthongising you can have been diphthongising they can have been diphthongising
Négation
Forme simple
I can't diphthongise you can't diphthongise she can't diphthongise we can't diphthongise you can't diphthongise they can't diphthongise
Forme en V-ing
I can't be diphthongising you can't be diphthongising she can't be diphthongising we can't be diphthongising you can't be diphthongising they can't be diphthongising
Perfect
I can't have diphthongised you can't have diphthongised she can't have diphthongised we can't have diphthongised you can't have diphthongised they can't have diphthongised
Perfect en V-ing
I can't have been diphthongising you can't have been diphthongising she can't have been diphthongising we can't have been diphthongising you can't have been diphthongising they can't have been diphthongising
Forme interrogative
Forme simple
can I diphthongise? can you diphthongise? can she diphthongise? can we diphthongise? can you diphthongise? can they diphthongise?
Forme en V-ing
can I be diphthongising? can you be diphthongising? can she be diphthongising? can we be diphthongising? can you be diphthongising? can they be diphthongising?
Perfect
can I have diphthongised? can you have diphthongised? can she have diphthongised? can we have diphthongised? can you have diphthongised? can they have diphthongised?
Perfect en V-ing
can I have been diphthongising? can you have been diphthongising? can she have been diphthongising? can we have been diphthongising? can you have been diphthongising? can they have been diphthongising?
Forme interro-négative
Forme simple
can't I diphthongise? can't you diphthongise? can't she diphthongise? can't we diphthongise? can't you diphthongise? can't they diphthongise?
Forme en V-ing
can't I be diphthongising? can't you be diphthongising? can't she be diphthongising? can't we be diphthongising? can't you be diphthongising? can't they be diphthongising?
Perfect
can't I have diphthongised? can't you have diphthongised? can't she have diphthongised? can't we have diphthongised? can't you have diphthongised? can't they have diphthongised?
Perfect en V-ing
can't I have been diphthongising? can't you have been diphthongising? can't she have been diphthongising? can't we have been diphthongising? can't you have been diphthongising? can't they have been diphthongising?